<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			.father{
				position: relative;
				display: inline-block;
			}
			
			.madle{
				background: rgba(0,0,0,0.5);
				position: absolute;
				
				width: 100%;
				height: 100%;
				
				top: 0;
				left: 0;
				
				display: none;
			}
			
			.father:hover .madle{
				display: block;
			}
			
		</style>
	</head>
	<body>
		<div class="father">
			<img src="../../../第一周7.12~7.18/赵浩楠-Day02/imges/3.jpg"/>
			<div class="madle"></div>
		</div>
	</body>
</html>
